The latest update of Yandex.Metro was released on Nov 13, 2019 and the app was downloaded by over 10M users. The tool contains adverts. Lenovo and Samsung users highly appreciate this application.
You are able to download the .apk installation package of Yandex.Metro 2.7 for free and read users' reviews on Droid Informer. This file size doesn't exceed 5 MB and the app runs flawlessly on Android 4.4 and higher.
According to the users’ reviews, the definite plus of the app is a good interface, however, some people highlight that this application features such a disadvantage as intrusive ads.